Bank Security Alarm System Project

Abstract

The Bank Security Alarm System is an advanced safety and surveillance project that utilizes electronic sensors and microcontrollers to detect unauthorized access, vibration, or tampering in sensitive areas like bank vaults, ATMs, or strong rooms. The system is designed to immediately alert security personnel through a loud alarm and optional SMS notifications, ensuring prompt action and theft prevention.

Objectives

• Provide real-time alerts in case of intrusion or unauthorized access.

• Detect suspicious activity using motion, vibration, and door sensors.

• Ensure bank security through an automated, cost-effective solution.

• Prevent break-ins in vaults, ATMs, and restricted zones.

Components Required

• Arduino Uno / ESP32 microcontroller

• PIR Motion Sensor (for human movement detection)

• Vibration Sensor (SW-420) (for tampering detection)

• Magnetic Reed Switch (for door open detection)

• GSM Module (SIM800L) (for sending SMS alerts) (optional)

• Buzzer/Siren

• LED Indicators

• Relay Module

• Power Supply (battery/adapter)

• Connecting wires, resistors, breadboard

Working Principle

This security system continuously monitors the bank premises.

• If motion is detected by the PIR sensor, the system triggers a buzzer.

• If any vibration or shock is detected on safes or ATMs, it activates the alarm.

• If the door is forcefully opened, the magnetic sensor detects the breach.

• If integrated with a GSM module, the system sends an SMS alert to the registered security number instantly.

All these mechanisms work together to provide a real-time, multi-sensor defense system.

How It Works

1. Install the motion, vibration, and door sensors at targeted areas.

2. Connect sensors to the microcontroller and configure sensitivity thresholds.

3. Upload code that responds to sensor input by triggering alarms or sending SMS.

4. Test by simulating motion, tampering, or door breaches.

Applications

• Banks and financial institutions

• ATM centers and vault rooms

• Jewelry shops or currency storage

• Government security facilities

Future Enhancements

• Integrate with CCTV cameras for video verification.

• Use IoT platforms for mobile-based monitoring.

• Add face/fingerprint recognition for access control.

• Employ AI-based image recognition for more accurate detection.

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